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MerCruiser Sterndrive 4.3L TKS User Manual

MerCruiser Sterndrive 4.3L TKS
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© 2006 Mercury Marine TKS Sterndrive Models 90-860171061 1206
NOTE: The following applies to CE marked products only.
Declaration of Conformance – Mercury MerCruiser
This sterndrive or inboard engine when installed in accordance to Mercury
MerCruisers’ instructions complies with the requirements of the following directives
by meeting the associated standards, as amended:
Recreational Craft Directive 94/25/EC; 2003/44/EC
Applicable Requirement Standards Applied
Owner’s manual (A.2.5) ISO 10240
Openings in Hull, Deck and superstructure (A.3.4) ISO 9093‑1; ISO 9093‑2
Handling characteristics (A.4) ISO 8665
Inboard Engine (A.5.1.1) ISO 15584; ISO 10088; ISO 7840; ISO 10133
Fuel System (A.5.2) ISO 10088; ISO 7840; ISO 8469
Electrical System (A.5.3) ISO 10133; ISO 8846
Steering system (A.5.4)
Applicable portions of: ISO 10592, ISO 8848 and
ABYC P‑17
Exhaust emission requirements (B.2) ISO 8178
Owner’s manual (B.4) ISO 8665
Noise emission levels (C.1) ISO 14509
Ignition‑protected equipment (Annex II) ISO 8846; SAE J1171; SAE J1191; SAE J 2031
Mercury MerCruiser declares that our sterndrive or inboard engines without integral
exhaust, when installed in a recreational craft, in accordance with the manufacturers
supplied instructions, will meet the exhaust emissions requirements of the directive
mentioned above. This engine must not be put into service until the recreational craft
in which it is to be installed has been declared in conformity, if so required, with the
relevant provision of the directive.
Electromagnetic Compatibility Directive 89/336/EC, 92/31/EEC and 93/68/EEC
Generic emission standard EN 50081‑1
Generic immunity standard EN 50082‑1
Vehicles, boats and internal combustion engine
driven devices ‑ Radio disturbance characteristics
SAE J551 (CISPR 12)
Electrostatic discharge testing EN 61000‑6‑2; EN 61000‑4‑2; EN61000‑4‑3
The notified body responsible for surveillance of the quality system under Full Quality Assurance
Module H of Directive 2003/44/EC is:
Det Norske Veritas
Norway
Notified Body Number: 0575
This declaration is issued under the sole responsibility of Mercury Marine and Mercury MerCruiser.
Patrick C. Mackey
President ‑ Mercury Marine, Fond du Lac, WI USA

Table of Contents

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MerCruiser Sterndrive 4.3L TKS Specifications

General IconGeneral
Engine TypeV6
Alternator65 Amp
Compression Ratio9.4:1
Full Throttle RPM Range4400-4800
Displacement4.3L (262 CID)
Fuel TypeGasoline
Cooling SystemWater Cooled

Summary

Declaration of Conformance

Identification Record

Section 1 - Warranty

Warranty Registration: United States and Canada

Details on how to register your warranty in the US and Canada.

Warranty Registration: Outside the United States and Canada

Details on how to register your warranty outside the US and Canada.

Transfer of Warranty

Information on transferring the limited warranty to a subsequent purchaser.

Mercury Product Protection Plan: United States and Canada

Details about the optional extended warranty plan for US and Canada.

Mercury MerCruiser Limited Warranty (Gasoline-Fueled Products Only)

Core warranty coverage details for gasoline-fueled MerCruiser engines.

3-Year Limited Warranty Against Corrosion

Specifics of the three-year limited warranty against corrosion.

4-Year Limited Corrosion Warranty: SeaCore Sterndrive Models with Gas Engines

Specifics of the four-year limited warranty for SeaCore models.

Consumer Application Warranty Chart

Warranty chart detailing coverage by region and boat brand.

Commercial Application Warranty Chart

Warranty chart detailing coverage for commercial applications.

Government Application Warranty Chart

Warranty chart detailing coverage for government applications.

Mercury Installation Quality Certification Program

Information on the certification program for boatbuilders.

California Emissions Limited Warranty

Warranty details specific to California emissions regulations.

Section 2 - Getting to Know Your Power Package

Identification

Information on identifying your MerCruiser power package.

Engine Serial Number Decal

Location and details of the engine serial number decal.

Bravo Sterndrive Serial Number and Identification

Details on Bravo sterndrive serial number and identification.

Bravo Transom Serial Number

Information on locating the Bravo transom serial number.

Lanyard Stop Switch

Explanation of the function and use of the lanyard stop switch.

Instrumentation

Explanation of typical boat instrumentation and gauges.

Remote Controls

Description of Mercury/Quicksilver remote control features.

Panel Mount Features

Details on features of panel-mounted remote controls.

Console Mount Features

Details on features of console-mounted remote controls.

Power Trim

Explanation of power trim function for sterndrive angle adjustment.

Single Engine Trim/Trailer

Operation of power trim for single engine applications.

Dual Engine Trim/Trailer

Operation of power trim for dual engine applications.

Electrical System Overload Protection-Carbureted Engines

Information on circuit breakers and fuses for overload protection.

Section 3 - On The Water

Safe Boating Suggestions

General advice for safe boating practices and regulations.

Be Alert To Carbon Monoxide Poisoning

Information and warnings about carbon monoxide hazards.

Good Ventilation

Guidance on maintaining adequate ventilation to prevent fume buildup.

Poor Ventilation

Examples and risks of poor ventilation in boat cabins.

Basic Boat Operation

Fundamental steps for operating the boat.

Operation Chart

Quick reference chart for pre-start, start, underway, and stop procedures.

Starting and Stopping the Engine

Detailed procedures for starting and stopping the engine.

High-Speed And High-Performance Boat Operation

Advice for operating high-speed and performance boats.

Passenger Safety In Pontoon Boats And Deck Boats

Safety considerations for passengers on specific boat types.

Boats Having An Open Front Deck

Safety warnings for boats with open front decks.

Boats With Front-Mounted, Raised Pedestal Fishing Seats

Safety warnings for elevated fishing seats.

Wave And Wake Jumping

Hazards and safety advice related to wave and wake jumping.

Impact With Underwater Hazards

Precautions and speed limits when navigating shallow water.

Drive Unit Impact Protection

Explanation of the sterndrive's impact protection system.

Operating With Low Water Inlets In Shallow Water

Considerations for operating with low water inlets in shallow areas.

Conditions Affecting Operation

Factors that influence boat performance and operation.

Elevation And Climate

How elevation and climate affect engine performance.

Propeller Selection

Guidance on selecting the correct propeller for optimal performance.

Getting Started

Initial steps and recommendations before operating.

20-Hour Break-In Period

Essential guidelines for the engine break-in period.

Section 4 - Specifications

Fuel Requirements

Important information regarding the use of proper gasoline.

Fuel Ratings

Specifications for unleaded gasoline meeting engine requirements.

Using Reformulated (Oxygenated) Gasolines (USA Only)

Information on reformulated gasolines used in the USA.

Gasolines Containing Alcohol

Adverse effects and precautions for gasolines containing alcohol.

Engine Oil

Recommendations for engine oil types and grades.

Engine Specifications

Technical data and specifications for MerCruiser engines.

Fluid Specifications

Specifications for various fluids used in the power package.

Section 5 - Maintenance

Owner/Operator Responsibilities

Defines the owner's responsibilities for safe operation and maintenance.

Dealer Responsibilities

Outlines the responsibilities of the authorized dealer.

Maintenance

Overview of maintenance procedures and points.

Do It Yourself Maintenance Suggestions

Advice and suggestions for performing maintenance yourself.

Inspection

Guidance on inspecting the power package for performance and potential issues.

Maintenance Schedule - Sterndrive Models

Detailed maintenance schedule for sterndrive models.

Maintenance Log

Section to record all maintenance performed on the power package.

Sealed Carburetor Mixture Screw

Caution regarding adjustment of the sealed carburetor mixture screw.

Engine Oil

Procedures for checking, filling, and changing engine oil and filter.

Power Steering Fluid

Procedures for checking and filling power steering fluid.

Engine Coolant

Procedures for checking and filling engine coolant.

Drive Unit Oil

Procedures for checking and filling drive unit oil.

Power Trim Fluid

Procedures for checking and filling power trim fluid.

Cleaning The Flame Arrestor

Instructions for cleaning the engine's flame arrestor.

Positive Crankcase Ventilation Valve (PCV)

Procedure for changing the PCV valve.

Changing Water Separating Fuel Filter

Procedure for replacing the water separating fuel filter.

Lubrication

General lubrication points for various systems.

Sterndrive Unit and Transom Assembly

Maintenance procedures for the sterndrive unit and transom.

Sterndrive U-joint Shaft Splines And O-rings (Sterndrive Unit Removed)

Lubrication of sterndrive U-joint shaft splines and O-rings.

Engine Coupler

Lubrication instructions for the engine coupler.

Driveshaft Extension Models

Lubrication for driveshaft extension components.

Propellers

Procedures for propeller repair, removal, and installation.

Serpentine Drive Belt

Checking and replacing the serpentine drive belt.

Flushing the Power Package

Instructions for flushing the engine's cooling system.

Sterndrive Water Pickups

Information on dual water and side water pickups.

Battery

Precautions and instructions for handling and storing batteries.

Corrosion Protection

Information and methods for protecting against galvanic corrosion.

Section 6 - Storage

Cold Weather or Extended Storage

Recommendations for preparing the boat for cold weather or extended storage.

Preparing Power Package for Storage

Step-by-step instructions for preparing the power package for storage.

Engine and Fuel System Preparation

Detailed procedures for preparing the engine and fuel system for storage.

Draining the Seawater System

Crucial instructions for draining the seawater cooling system.

Air Actuated Single Point Drain System

Procedure for draining using an air-actuated system.

Manual Single Point Drain System

Procedure for draining using a manual single point system.

Three Point Manual Drain System

Procedure for draining using a three-point manual system.

Multi-Point Drain (MPD) System

Procedure for draining using a multi-point drain system.

Draining the Sterndrive

Procedure for draining water from the sterndrive unit.

Battery Storage

Guidelines for storing the battery properly during off-season.

Power Package Recommissioning

Steps for preparing the boat after storage.

Section 7 - Troubleshooting

Starter Motor Will Not Crank Engine, Or Cranks Slow

Diagnosing and resolving issues with the starter motor.

Engine Will Not Start Or Is Hard To Start

Troubleshooting common engine starting problems.

Engine Runs Rough, Misses And/Or Backfires

Diagnosing and fixing engine running issues.

Poor Performance

Troubleshooting general poor engine performance.

Excessive Engine Temperature

Diagnosing and resolving engine overheating issues.

Insufficient Engine Temperature

Troubleshooting issues related to insufficient engine temperature.

Low Engine Oil Pressure

Diagnosing and resolving low engine oil pressure problems.

Battery Will Not Come Up On Charge

Troubleshooting battery charging issues.

Steering Wheel Turns Hard Or Jerky

Troubleshooting hard or jerky steering wheel operation.

Power Trim Does Not Operate (Motor Does Not Operate)

Troubleshooting power trim when the motor does not operate.

Power Trim Does Not Operate (Motor Operates But Sterndrive Unit Does Not Move)

Troubleshooting power trim when the motor runs but unit does not move.

Section 8 - Customer Assistance Information

Owner Service Assistance

General guidance on obtaining service for your power package.

Local Repair Service

Information on finding authorized local repair services.

Service Away From Home

How to find service when away from your local dealer.

Stolen Power Package

Procedure to follow if your power package is stolen.

Attention Required After Submersion

Service requirements for power packages after submersion.

Replacement Service Parts

Information and warnings regarding replacement parts.

Parts And Accessories Inquiries

How to inquire about parts and accessories.

Resolving A Problem

Steps to take to resolve any problems with your product.

Mercury Marine Service Offices

Contact information for Mercury Marine service offices.

Ordering Literature

How to obtain additional literature for your power package.

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